+#define TOKEN_STR_FILE_IDENTIFIER "file_identifier"
+#define TOKEN_STR_LAST_LEVEL_SERIES "last_level_series"
+#define TOKEN_STR_PLAYER_PREFIX "player_"
+
+#define TOKEN_VALUE_POSITION 30
+
+/* global setup */
+#define SETUP_TOKEN_PLAYER_NAME 0
+#define SETUP_TOKEN_SOUND 1
+#define SETUP_TOKEN_SOUND_LOOPS 2
+#define SETUP_TOKEN_SOUND_MUSIC 3
+#define SETUP_TOKEN_SOUND_SIMPLE 4
+#define SETUP_TOKEN_TOONS 5
+#define SETUP_TOKEN_DOUBLE_BUFFERING 6
+#define SETUP_TOKEN_SCROLL_DELAY 7
+#define SETUP_TOKEN_SOFT_SCROLLING 8
+#define SETUP_TOKEN_FADING 9
+#define SETUP_TOKEN_AUTORECORD 10
+#define SETUP_TOKEN_QUICK_DOORS 11
+#define SETUP_TOKEN_TEAM_MODE 12
+
+/* player setup */
+#define SETUP_TOKEN_USE_JOYSTICK 13
+#define SETUP_TOKEN_JOY_DEVICE_NAME 14
+#define SETUP_TOKEN_JOY_XLEFT 15
+#define SETUP_TOKEN_JOY_XMIDDLE 16
+#define SETUP_TOKEN_JOY_XRIGHT 17
+#define SETUP_TOKEN_JOY_YUPPER 18
+#define SETUP_TOKEN_JOY_YMIDDLE 19
+#define SETUP_TOKEN_JOY_YLOWER 20
+#define SETUP_TOKEN_JOY_SNAP 21
+#define SETUP_TOKEN_JOY_BOMB 22
+#define SETUP_TOKEN_KEY_LEFT 23
+#define SETUP_TOKEN_KEY_RIGHT 24
+#define SETUP_TOKEN_KEY_UP 25
+#define SETUP_TOKEN_KEY_DOWN 26
+#define SETUP_TOKEN_KEY_SNAP 27
+#define SETUP_TOKEN_KEY_BOMB 28
+
+/* level directory info */
+#define LEVELINFO_TOKEN_NAME 29
+#define LEVELINFO_TOKEN_AUTHOR 30
+#define LEVELINFO_TOKEN_LEVELS 31
+#define LEVELINFO_TOKEN_FIRST_LEVEL 32
+#define LEVELINFO_TOKEN_SORT_PRIORITY 33
+#define LEVELINFO_TOKEN_READONLY 34
+
+#define FIRST_GLOBAL_SETUP_TOKEN SETUP_TOKEN_PLAYER_NAME
+#define LAST_GLOBAL_SETUP_TOKEN SETUP_TOKEN_TEAM_MODE
+
+#define FIRST_PLAYER_SETUP_TOKEN SETUP_TOKEN_USE_JOYSTICK
+#define LAST_PLAYER_SETUP_TOKEN SETUP_TOKEN_KEY_BOMB
+
+#define FIRST_LEVELINFO_TOKEN LEVELINFO_TOKEN_NAME
+#define LAST_LEVELINFO_TOKEN LEVELINFO_TOKEN_READONLY
+
+#define TYPE_BOOLEAN 1
+#define TYPE_SWITCH 2
+#define TYPE_KEYSYM 3
+#define TYPE_INTEGER 4
+#define TYPE_STRING 5
+
+static struct SetupInfo si;
+static struct SetupInputInfo sii;
+static struct LevelDirInfo ldi;
+static struct
+{
+ int type;
+ void *value;
+ char *text;
+} token_info[] =
+{
+ /* global setup */
+ { TYPE_STRING, &si.player_name, "player_name" },
+ { TYPE_SWITCH, &si.sound, "sound" },
+ { TYPE_SWITCH, &si.sound_loops, "repeating_sound_loops" },
+ { TYPE_SWITCH, &si.sound_music, "background_music" },
+ { TYPE_SWITCH, &si.sound_simple, "simple_sound_effects" },
+ { TYPE_SWITCH, &si.toons, "toons" },
+ { TYPE_SWITCH, &si.double_buffering, "double_buffering" },
+ { TYPE_SWITCH, &si.scroll_delay, "scroll_delay" },
+ { TYPE_SWITCH, &si.soft_scrolling, "soft_scrolling" },
+ { TYPE_SWITCH, &si.fading, "screen_fading" },
+ { TYPE_SWITCH, &si.autorecord, "automatic_tape_recording" },
+ { TYPE_SWITCH, &si.quick_doors, "quick_doors" },
+ { TYPE_SWITCH, &si.team_mode, "team_mode" },
+
+ /* player setup */
+ { TYPE_BOOLEAN, &sii.use_joystick, ".use_joystick" },
+ { TYPE_STRING, &sii.joy.device_name, ".joy.device_name" },
+ { TYPE_INTEGER, &sii.joy.xleft, ".joy.xleft" },
+ { TYPE_INTEGER, &sii.joy.xmiddle, ".joy.xmiddle" },
+ { TYPE_INTEGER, &sii.joy.xright, ".joy.xright" },
+ { TYPE_INTEGER, &sii.joy.yupper, ".joy.yupper" },
+ { TYPE_INTEGER, &sii.joy.ymiddle, ".joy.ymiddle" },
+ { TYPE_INTEGER, &sii.joy.ylower, ".joy.ylower" },
+ { TYPE_INTEGER, &sii.joy.snap, ".joy.snap_field" },
+ { TYPE_INTEGER, &sii.joy.bomb, ".joy.place_bomb" },
+ { TYPE_KEYSYM, &sii.key.left, ".key.move_left" },
+ { TYPE_KEYSYM, &sii.key.right, ".key.move_right" },
+ { TYPE_KEYSYM, &sii.key.up, ".key.move_up" },
+ { TYPE_KEYSYM, &sii.key.down, ".key.move_down" },
+ { TYPE_KEYSYM, &sii.key.snap, ".key.snap_field" },
+ { TYPE_KEYSYM, &sii.key.bomb, ".key.place_bomb" },
+
+ /* level directory info */
+ { TYPE_STRING, &ldi.name, "name" },
+ { TYPE_STRING, &ldi.author, "author" },
+ { TYPE_INTEGER, &ldi.levels, "levels" },
+ { TYPE_INTEGER, &ldi.first_level, "first_level" },
+ { TYPE_INTEGER, &ldi.sort_priority, "sort_priority" },
+ { TYPE_BOOLEAN, &ldi.readonly, "readonly" }
+};
+
+static char *string_tolower(char *s)
+{
+ static char s_lower[100];
+ int i;
+
+ if (strlen(s) >= 100)
+ return s;
+
+ strcpy(s_lower, s);
+
+ for (i=0; i<strlen(s_lower); i++)
+ s_lower[i] = tolower(s_lower[i]);
+
+ return s_lower;
+}
+
+static int get_string_integer_value(char *s)
+{
+ static char *number_text[][3] =
+ {
+ { "0", "zero", "null", },
+ { "1", "one", "first" },
+ { "2", "two", "second" },
+ { "3", "three", "third" },
+ { "4", "four", "fourth" },
+ { "5", "five", "fifth" },
+ { "6", "six", "sixth" },
+ { "7", "seven", "seventh" },
+ { "8", "eight", "eighth" },
+ { "9", "nine", "ninth" },
+ { "10", "ten", "tenth" },
+ { "11", "eleven", "eleventh" },
+ { "12", "twelve", "twelfth" },
+ };
+
+ int i, j;
+
+ for (i=0; i<13; i++)
+ for (j=0; j<3; j++)
+ if (strcmp(string_tolower(s), number_text[i][j]) == 0)
+ return i;
+
+ return atoi(s);
+}
+
+static boolean get_string_boolean_value(char *s)
+{
+ if (strcmp(string_tolower(s), "true") == 0 ||
+ strcmp(string_tolower(s), "yes") == 0 ||
+ strcmp(string_tolower(s), "on") == 0 ||
+ get_string_integer_value(s) == 1)
+ return TRUE;
+ else
+ return FALSE;
+}
+
+static char *getFormattedSetupEntry(char *token, char *value)
+{
+ int i;
+ static char entry[MAX_LINE_LEN];
+
+ sprintf(entry, "%s:", token);
+ for (i=strlen(entry); i<TOKEN_VALUE_POSITION; i++)
+ entry[i] = ' ';
+ entry[i] = '\0';
+
+ strcat(entry, value);
+
+ return entry;
+}
+
+static void freeSetupFileList(struct SetupFileList *setup_file_list)
+{
+ if (!setup_file_list)
+ return;
+
+ if (setup_file_list->token)
+ free(setup_file_list->token);
+ if (setup_file_list->value)
+ free(setup_file_list->value);
+ if (setup_file_list->next)
+ freeSetupFileList(setup_file_list->next);
+ free(setup_file_list);
+}
+
+static struct SetupFileList *newSetupFileList(char *token, char *value)
+{
+ struct SetupFileList *new = checked_malloc(sizeof(struct SetupFileList));
+
+ new->token = checked_malloc(strlen(token) + 1);
+ strcpy(new->token, token);
+
+ new->value = checked_malloc(strlen(value) + 1);
+ strcpy(new->value, value);
+
+ new->next = NULL;
+
+ return new;
+}
+
+static char *getTokenValue(struct SetupFileList *setup_file_list,
+ char *token)
+{
+ if (!setup_file_list)
+ return NULL;
+
+ if (strcmp(setup_file_list->token, token) == 0)
+ return setup_file_list->value;
+ else
+ return getTokenValue(setup_file_list->next, token);
+}
+
+static void setTokenValue(struct SetupFileList *setup_file_list,
+ char *token, char *value)
+{
+ if (!setup_file_list)
+ return;
+
+ if (strcmp(setup_file_list->token, token) == 0)
+ {
+ free(setup_file_list->value);
+ setup_file_list->value = checked_malloc(strlen(value) + 1);
+ strcpy(setup_file_list->value, value);
+ }
+ else if (setup_file_list->next == NULL)
+ setup_file_list->next = newSetupFileList(token, value);
+ else
+ setTokenValue(setup_file_list->next, token, value);
+}
+
+#ifdef DEBUG
+static void printSetupFileList(struct SetupFileList *setup_file_list)
+{
+ if (!setup_file_list)
+ return;
+
+ printf("token: '%s'\n", setup_file_list->token);
+ printf("value: '%s'\n", setup_file_list->value);
+
+ printSetupFileList(setup_file_list->next);
+}
+#endif
+
+static struct SetupFileList *loadSetupFileList(char *filename)
+{
+ int line_len;
+ char line[MAX_LINE_LEN];
+ char *token, *value, *line_ptr;
+ struct SetupFileList *setup_file_list = newSetupFileList("", "");
+ struct SetupFileList *first_valid_list_entry;
+
+ FILE *file;
+
+ if (!(file = fopen(filename, "r")))
+ {
+ Error(ERR_WARN, "cannot open configuration file '%s'", filename);
+ return NULL;
+ }
+
+ while(!feof(file))
+ {
+ /* read next line of input file */
+ if (!fgets(line, MAX_LINE_LEN, file))
+ break;
+
+ /* cut trailing comment or whitespace from input line */
+ for (line_ptr = line; *line_ptr; line_ptr++)
+ {
+ if (*line_ptr == '#' || *line_ptr == '\n' || *line_ptr == '\r')
+ {
+ *line_ptr = '\0';
+ break;
+ }
+ }
+
+ /* cut trailing whitespaces from input line */
+ for (line_ptr = &line[strlen(line)]; line_ptr > line; line_ptr--)
+ if ((*line_ptr == ' ' || *line_ptr == '\t') && line_ptr[1] == '\0')
+ *line_ptr = '\0';
+
+ /* ignore empty lines */
+ if (*line == '\0')
+ continue;
+
+ line_len = strlen(line);
+
+ /* cut leading whitespaces from token */
+ for (token = line; *token; token++)
+ if (*token != ' ' && *token != '\t')
+ break;
+
+ /* find end of token */
+ for (line_ptr = token; *line_ptr; line_ptr++)
+ {
+ if (*line_ptr == ' ' || *line_ptr == '\t' || *line_ptr == ':')
+ {
+ *line_ptr = '\0';
+ break;
+ }
+ }
+
+ if (line_ptr < line + line_len)
+ value = line_ptr + 1;
+ else
+ value = "\0";
+
+ /* cut leading whitespaces from value */
+ for (; *value; value++)
+ if (*value != ' ' && *value != '\t')
+ break;
+
+ if (*token && *value)
+ setTokenValue(setup_file_list, token, value);
+ }
+
+ fclose(file);
+
+ first_valid_list_entry = setup_file_list->next;
+
+ /* free empty list header */
+ setup_file_list->next = NULL;
+ freeSetupFileList(setup_file_list);
+
+ if (first_valid_list_entry == NULL)
+ Error(ERR_WARN, "configuration file '%s' is empty", filename);
+
+ return first_valid_list_entry;
+}
+
+static void checkSetupFileListIdentifier(struct SetupFileList *setup_file_list,
+ char *identifier)
+{
+ if (!setup_file_list)
+ return;
+
+ if (strcmp(setup_file_list->token, TOKEN_STR_FILE_IDENTIFIER) == 0)
+ {
+ if (strcmp(setup_file_list->value, identifier) != 0)
+ {
+ Error(ERR_WARN, "configuration file has wrong version");
+ return;
+ }
+ else
+ return;
+ }
+
+ if (setup_file_list->next)
+ checkSetupFileListIdentifier(setup_file_list->next, identifier);
+ else
+ {
+ Error(ERR_WARN, "configuration file has no version information");
+ return;
+ }
+}
+
+static void setLevelDirInfoToDefaults(struct LevelDirInfo *ldi)